Wissycgh focused on improving the correctness and stability of virtualization signaling in the OpenXiangShan/ChiselAIA repository, specifically addressing a bug in the IMSIC module’s vgein comparison logic. By refining type casting in the comparison between vgein and params.geilen, Wissycgh ensured accurate handling of virtual guest enable signals, which is critical for reliable hardware virtualization flows. The work involved disciplined debugging and code hygiene using Scala and hardware description languages, with careful attention to project reliability and security requirements. This targeted fix reduced the risk of guest initialization errors, demonstrating depth in digital design and collaborative hardware development practices.